[Bug go/86535] FreeBSD/PowerPC64 - Building Go Frontend support for gcc 7.3.0 fails

[ian at airs dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86535

--- Comment #11 from Ian Lance Taylor <ian at airs dot com> ---
Sorry, you're right, it's -fdump-go-spec.